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L6981 Synchronous Step-down Converters

STMicroelectronics L6981 Synchronous Step-down Converters are easy-to-use synchronous monolithic step-down regulators capable of delivering up to 1.5A DC to the load. The L6981 offers a wide input voltage range that making it suitable for a broad range of applications.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package / Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981N50DR STMicroelectronics 1: NT$91.42 1,619In Stock	Mfr. Part # L6981N50DR Mouser Part # 511-L6981N50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	1,619In Stock	Cut Tape NT$91.42 NT$68.12 NT$62.02 NT$55.57 Reel NT$47.32 View NT$52.70 NT$50.91 NT$48.76 NT$46.25	Min.: 1 Mult.: 1 : 2,500													L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981N33DR STMicroelectronics 1: NT$85.32 1,779In Stock	Mfr. Part # L6981N33DR Mouser Part # 511-L6981N33DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	1,779In Stock	Cut Tape NT$85.32 NT$64.53 NT$59.51 NT$53.78 Reel NT$47.32 View NT$51.27 NT$49.83 NT$48.76 NT$46.25	Min.: 1 Mult.: 1 : 2,500													L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981C33DR STMicroelectronics 1: NT$86.40 870In Stock	Mfr. Part # L6981C33DR Mouser Part # 511-L6981C33DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	870In Stock	Cut Tape NT$86.40 NT$65.25 NT$59.87 NT$54.13 Reel NT$47.32 View NT$52.70 NT$50.91 NT$49.83 NT$46.25	Min.: 1 Mult.: 1 : 2,500			SMD/SMT	SO-8	Buck	3.3 V	1.5 A	1 Output	20 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981C50DR STMicroelectronics 1: NT$91.42 982In Stock	Mfr. Part # L6981C50DR Mouser Part # 511-L6981C50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	982In Stock	Cut Tape NT$91.42 NT$68.12 NT$62.02 NT$55.57 Reel NT$47.32 View NT$52.70 NT$50.91 NT$49.83 NT$46.25	Min.: 1 Mult.: 1 : 2,500			SMD/SMT	SO-8	Buck	5 V	1.5 A	1 Output	20 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current L6981CDR STMicroelectronics 1: NT$91.78 108In Stock 20,000On Order	Mfr. Part # L6981CDR Mouser Part # 511-L6981CDR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	108In Stock 20,000On Order On Order Ship Dates Mfr. #: L6981CDR Stock: 108 Can Ship Immediately On Order: 2,500 Expected 4/16/2027 17,500 Expected 6/18/2027 Factory Lead-Time: 30 Weeks	Cut Tape NT$91.78 NT$71.34 NT$62.74 NT$56.28 View Reel NT$47.68 NT$53.42 NT$51.62 NT$50.55 NT$47.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			SMD/SMT	SOIC-8	Buck	850 mV to 38 V	1.5 A	1 Output	35 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current L6981NDR STMicroelectronics 1: NT$91.42 108In Stock 5,000Expected 4/7/2027	Mfr. Part # L6981NDR Mouser Part # 511-L6981NDR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	108In Stock 5,000Expected 4/7/2027	Cut Tape NT$91.42 NT$68.12 NT$62.02 NT$55.57 View Reel NT$47.32 NT$52.70 NT$51.27 NT$47.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500			SMD/SMT	SOIC-8	Buck	850 mV to 38 V	1.5 A	1 Output	2.3 mA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape, MouseReel